#!/bin/sh /etc/rc.common
START=99
STOP=10

enable=$(uci get easymesh.config.enabled 2>/dev/null)
mesh_bat0=$(uci get network.bat0 2>/dev/null)
ap_mode=$(uci get easymesh.config.ap_mode 2>/dev/null)
ipaddr=$(uci get easymesh.config.ipaddr 2>/dev/null)
netmask=$(uci get easymesh.config.netmask 2>/dev/null)
gateway=$(uci get easymesh.config.gateway 2>/dev/null)
dns=$(uci get easymesh.config.dns 2>/dev/null)
ap_ipaddr=$(uci get network.lan.ipaddr 2>/dev/null)
ap_ipaddr1=$(cat /etc/easymesh | sed -n '1p' 2>/dev/null)
apRadio=$(uci get easymesh.config.apRadio 2>/dev/null)
kvr=$(uci get easymesh.config.kvr 2>/dev/null)
brlan=$(uci get network.@device[0].name 2>/dev/null)

ap_mode_stop(){
	ap_ipaddr=$(uci get network.lan.ipaddr 2>/dev/null)
	ap_ipaddr1=$(cat /etc/easymesh | sed -n '1p' 2>/dev/null)
	dns1=$(cat /etc/easymesh | sed -n '2p' 2>/dev/null)
	if [ "$ap_ipaddr" = "$ap_ipaddr1" ]; then
		uci delete network.lan.gateway
		uci del_list network.lan.dns=$dns1
		uci commit network

		echo "" > /etc/easymesh

		uci delete dhcp.lan.dynamicdhcp
		uci delete dhcp.lan.ignore
		uci commit dhcp

		/etc/init.d/odhcpd enable && /etc/init.d/odhcpd start
		/etc/init.d/firewall enable && /etc/init.d/firewall start >/dev/null 2>&1
	fi
}

add_wifi_mesh(){
	mesh_nwi_mesh=$(uci get network.nwi_mesh_${apall} 2>/dev/null)
	mesh_apRadio=$(uci get wireless.mesh_${apall}.device 2>/dev/null)
	mesh_mesh=$(uci get wireless.mesh_${apall} 2>/dev/null)
	mesh_id=$(uci get easymesh.config.mesh_id 2>/dev/null)
	mobility_domain=$(uci get easymesh.config.mobility_domain 2>/dev/null)
	key=$(uci get easymesh.config.key 2>/dev/null)
	encryption=$(uci get easymesh.config.encryption 2>/dev/null)

	if [ "$mesh_nwi_mesh" != "interface" ]; then
		uci set network.nwi_mesh_$apall=interface
		uci set network.nwi_mesh_$apall.proto='batadv_hardif'
		uci set network.nwi_mesh_$apall.mtu='2304'
		uci set network.nwi_mesh_$apall.master='bat0'
		uci commit network
	fi

	if [ "$mesh_mesh" != "wifi-iface" ]; then
		uci set wireless.mesh_$apall=wifi-iface
		uci set wireless.mesh_$apall.device=$apall
		uci set wireless.mesh_$apall.ifname=mesh_${apall}
		uci set wireless.mesh_$apall.network=nwi_mesh_${apall}
		uci set wireless.mesh_$apall.mode='mesh'
		uci set wireless.mesh_$apall.mesh_fwding='0'
		uci set wireless.mesh_$apall.mesh_id=$mesh_id
		uci commit wireless
	fi

	if [ "$mesh_mesh" = "wifi-iface" ]; then
		if [ "$mesh_apRadio" != "$apall" ]; then
			uci set wireless.mesh_$apall.device=$apall
			uci commit wireless
		fi
	fi
	
	if [ "$encryption" != 1 ]; then
		uci set wireless.mesh_$apall.encryption='none'
		uci commit wireless
	else
		uci set wireless.mesh_$apall.encryption='sae'
		uci set wireless.mesh_$apall.key=$key
		uci commit wireless
	fi
}

add_kvr(){
	kvr=$(uci get easymesh.config.kvr 2>/dev/null)
	mobility_domain=$(uci get easymesh.config.mobility_domain 2>/dev/null)
	for apall in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
		if [ "$kvr" = 1 ]; then
			uci set wireless.default_$apall.ieee80211k='1'
			uci set wireless.default_$apall.rrm_neighbor_report='1'
			uci set wireless.default_$apall.rrm_beacon_report='1'
			uci set wireless.default_$apall.ieee80211v='1'
			uci set wireless.default_$apall.bss_transition='1'
			uci set wireless.default_$apall.ieee80211r='1'
			uci set wireless.default_$apall.encryption='psk2+ccmp'
			uci set wireless.default_$apall.mobility_domain=$mobility_domain
			uci set wireless.default_$apall.ft_over_ds='1'
			uci set wireless.default_$apall.ft_psk_generate_local='1'
			uci commit wireless
		else
			uci delete wireless.default_$apall.ieee80211k
			uci delete wireless.default_$apall.ieee80211v
			uci delete wireless.default_$apall.ieee80211r
			uci commit wireless
		fi
	done
}

add_dawn(){
	kvr=$(uci get easymesh.config.kvr 2>/dev/null)
	rssi_val=$(uci get easymesh.config.rssi_val 2>/dev/null)
	low_rssi_val=$(uci get easymesh.config.low_rssi_val 2>/dev/null)

	if [ "$kvr" = 1 ]; then
		uci set dawn.@metric[0].rssi_val=$rssi_val
		uci set dawn.@metric[0].low_rssi_val=$low_rssi_val
		uci commit dawn 
		/etc/init.d/dawn enable && /etc/init.d/dawn start
	else
		/etc/init.d/dawn stop && /etc/init.d/dawn disable
	fi
}

start(){	
	if [ "$enable" == 1 ]; then
		if [ "$mesh_bat0" != "interface" ]; then
			uci set network.bat0=interface
			uci set network.bat0.proto='batadv'
			uci set network.bat0.routing_algo='BATMAN_IV'
			uci set network.bat0.aggregated_ogms='1'
			#uci set network.bat0.gw_bandwidth='10000/2000'
			uci set network.bat0.ap_isolation='0'
			uci set network.bat0.bonding='0'
			uci set network.bat0.fragmentation='1'
			uci set network.bat0.gw_mode='off'
			#uci set network.bat0.gw_sel_class='20'
			uci set network.bat0.log_level='0'
			uci set network.bat0.orig_interval='1000'
			uci set network.bat0.bridge_loop_avoidance='1'
			uci set network.bat0.distributed_arp_table='1'
			uci set network.bat0.multicast_mode='1'
			uci set network.bat0.network_coding='0'
			uci set network.bat0.hop_penalty='30'
			uci set network.bat0.isolation_mark='0x00000000/0x00000000'

			if [ "$brlan" = "br-lan" ]; then
				uci add_list network.@device[0].ports='bat0'
			else
				uci set network.lan.ifname="${lan} bat0"
			fi
			uci commit network
		fi

		if [ "$apRadio" = "all" ]; then
			for apall in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
				add_wifi_mesh
			done
		else
			apall=$apRadio
			add_wifi_mesh
		fi

		add_kvr
		add_dawn

		if [ "$ap_mode" == 1 ]; then
			if [ "$ap_ipaddr" != "$ipaddr" ]; then
				uci set network.lan.ipaddr=$ipaddr
				uci set network.lan.netmask=$netmask
				uci set network.lan.gateway=$gateway
				uci add_list network.lan.dns=$dns
				uci commit network

				echo "" > /etc/easymesh
				echo "$ipaddr" > /etc/easymesh
				echo "$dns" >> /etc/easymesh

				uci set dhcp.lan.dynamicdhcp='0'
				uci set dhcp.lan.ignore='1'
				uci delete dhcp.lan.ra
				uci delete dhcp.lan.dhcpv6
				uci delete dhcp.lan.ra_management
				uci commit dhcp

				/etc/init.d/odhcpd stop && /etc/init.d/odhcpd disable
				/etc/init.d/firewall stop && /etc/init.d/firewall disable >/dev/null 2>&1
			fi
		else
			ap_mode_stop
		fi

		/etc/init.d/network restart
	else
		stop
	fi
}

stop(){
	if [ "$enable" != 1 ]; then
		if [ "$mesh_bat0" = "interface" ]; then
			uci delete network.bat0
			if [ "$brlan" = "br-lan" ]; then
				uci del_list network.@device[0].ports='bat0'
			else
				sed -i 's/ bat0//' /etc/config/network
			fi
			uci commit network
		fi

		for apall in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
			mesh_nwi_mesh=$(uci get network.nwi_mesh_${apall} 2>/dev/null)
			mesh_mesh=$(uci get wireless.mesh_${apall} 2>/dev/null)
			
			if [ "$mesh_nwi_mesh" = "interface" ]; then
				uci delete network.nwi_mesh_$apall
				uci commit network
			fi

			if [ "$mesh_mesh" = "wifi-iface" ]; then
				uci delete wireless.mesh_$apall
				uci commit wireless
			fi
		done

		add_kvr
		add_dawn

		if [ "$ap_mode" == 1 ]; then
			ap_mode_stop
		fi

		/etc/init.d/network restart
	fi
}

restart() {
	start
}
